v3.26.1
Note 10
6 Months Ended
Jun. 30, 2026
Non trading financial assets mandatorily at fair value through profit or loss [Abstract]  
Disclosure of non trading financial assets mandatorily at fair value through profit or loss [Text Block] Non-trading financial assets mandatorily at fair value through profit or loss
The breakdown of the balance under this heading in the condensed consolidated balance sheets is as follows:
NON-TRADING FINANCIAL ASSETS MANDATORILY AT FAIR VALUE THROUGH PROFIT OR LOSS (MILLIONS OF EUROS)
Notes
 June
2026
December
2025
Equity instruments
6.2
12,253
10,539
Debt securities
6.2
146
192
Loans and advances
6.2
772
541
Total 713,17111,272